svgio/source/svgreader/svgpolynode.cxx

   1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
   2 /*
   3  * This file is part of the LibreOffice project.
   4  *
   5  * This Source Code Form is subject to the terms of the Mozilla Public
   6  * License, v. 2.0. If a copy of the MPL was not distributed with this
   7  * file, You can obtain one at http://mozilla.org/MPL/2.0/.
   8  *
   9  * This file incorporates work covered by the following license notice:
  10  *
  11  *   Licensed to the Apache Software Foundation (ASF) under one or more
  12  *   contributor license agreements. See the NOTICE file distributed
  13  *   with this work for additional information regarding copyright
  14  *   ownership. The ASF licenses this file to you under the Apache
  15  *   License, Version 2.0 (the "License"); you may not use this file
  16  *   except in compliance with the License. You may obtain a copy of
  17  *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
  18  */
  19
  20 #include <svgpolynode.hxx>
  21 #include <basegfx/polygon/b2dpolygon.hxx>
  22 #include <basegfx/polygon/b2dpolygontools.hxx>
  23 #include <basegfx/polygon/b2dpolypolygon.hxx>
  24
  25 namespace svgio::svgreader
  26 {
  27         SvgPolyNode::SvgPolyNode(
  28             SvgDocument& rDocument,
  29             SvgNode* pParent,
  30             bool bIsPolyline)
  31         :   SvgNode(SVGToken::Polygon, rDocument, pParent),
  32             maSvgStyleAttributes(*this),
  33             mbIsPolyline(bIsPolyline)
  34         {
  35         }
  36
  37         SvgPolyNode::~SvgPolyNode()
  38         {
  39         }
  40
  41         const SvgStyleAttributes* SvgPolyNode::getSvgStyleAttributes() const
  42         {
  43             return checkForCssStyle(mbIsPolyline? OUString("polyline") : OUString("polygon"), maSvgStyleAttributes);
  44         }
  45
  46         void SvgPolyNode::parseAttribute(const OUString& rTokenName, SVGToken aSVGToken, const OUString& aContent)
  47         {
  48             // call parent
  49             SvgNode::parseAttribute(rTokenName, aSVGToken, aContent);
  50
  51             // read style attributes
  52             maSvgStyleAttributes.parseStyleAttribute(aSVGToken, aContent, false);
  53
  54             // parse own
  55             switch(aSVGToken)
  56             {
  57                 case SVGToken::Style:
  58                 {
  59                     readLocalCssStyle(aContent);
  60                     break;
  61                 }
  62                 case SVGToken::Points:
  63                 {
  64                     basegfx::B2DPolygon aPath;
  65
  66                     if(basegfx::utils::importFromSvgPoints(aPath, aContent))
  67                     {
  68                         if(aPath.count())
  69                         {
  70                             if(!mbIsPolyline)
  71                             {
  72                                 aPath.setClosed(true);
  73                             }
  74
  75                             setPolygon(&aPath);
  76                         }
  77                     }
  78                     break;
  79                 }
  80                 case SVGToken::Transform:
  81                 {
  82                     const basegfx::B2DHomMatrix aMatrix(readTransform(aContent, *this));
  83
  84                     if(!aMatrix.isIdentity())
  85                     {
  86                         setTransform(&aMatrix);
  87                     }
  88                     break;
  89                 }
  90                 default:
  91                 {
  92                     break;
  93                 }
  94             }
  95         }
  96
  97         void SvgPolyNode::decomposeSvgNode(drawinglayer::primitive2d::Primitive2DContainer& rTarget, bool /*bReferenced*/) const
  98         {
  99             const SvgStyleAttributes* pStyle = getSvgStyleAttributes();
 100
 101             if(pStyle && mpPolygon)
 102             {
 103                 drawinglayer::primitive2d::Primitive2DContainer aNewTarget;
 104
 105                 pStyle->add_path(basegfx::B2DPolyPolygon(*mpPolygon), aNewTarget, nullptr);
 106
 107                 if(!aNewTarget.empty())
 108                 {
 109                     pStyle->add_postProcess(rTarget, aNewTarget, getTransform());
 110                 }
 111             }
 112         }
 113 } // end of namespace svgio::svgreader
 114
 115 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */